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Dennis
Richard Dennis, whose professional accomplishments at NETL span 35 years, is serving as a key organizer and technical review co-chair for the American Society of Mechanical Engineers (ASME) Advanced Manufacturing & Repair for Gas Turbines Symposium, a virtual event to be held event Oct. 5-8, 2021.
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The U.S. Department of Energy (DOE) selected 12 projects to receive approximately $16.5 million in federal funding for cost-shared cooperative agreements to help recalibrate the nation’s vast fossil-fuel and power infrastructure for decarbonized energy and commodity production. The selected projects will develop technologies for the production, transport, storage and utilization of fossil-based hydrogen, with progress toward net-zero carbon emissions.   
The Dynamic Gas Turbine Combustion Test Rig in NETL's High-Pressure Combustion Facility
NETL representatives joined gas turbine researchers and industry experts at the American Society of Mechanical Engineers (ASME) Turbo Expo, held June 7-11, to discuss the role of advanced turbine technologies in achieving  energy production with net-zero emissions and the changing workforce dynamics brought about by the economic focus of addressing climate change amongst other turbine and energy related topics. ASME’s Turbo Expo provided a full spectrum of research and industry knowledge to truly confirm the latest market trends, technical developments, challenges, and the future state of the turbomachinery industry. The event encompassed topics spanning the entire turbomachinery industry – gas turbines, steam turbines, wind turbines, fans and blowers, Rankine cycle, and power cycles based on supercritical carbon dioxide (CO2).
Cover
NETL presents the latest edition of its publication that showcases research on emerging energy technologies. NETL Edge shares the latest developments the Lab’s mission to drive innovation and deliver solutions for an environmentally sustainable and prosperous energy future. In this issue, we feature key research and technology development in integrated energy systems for net-zero carbon electricity. Check out the newly released edition of NETL Edge to learn more about combining technology and versatility to optimize energy production and lower emissions, finding answers to carbon storage in by using advanced technologies to examine rock cores, building a strong foundation for integrated energy systems through energy conversion research and more. https://go.usa.gov/xHnJD
Turbine
With support from partners in academia, NETL researchers have taken steps toward realizing the potential of rotating detonation combustion technology, which can offer a number of advantages over conventional internal combustion. Internal combustion engines such as gas turbines are effective, but they suffer pressure and power output limitations. Rotating detonating engines create controlled, continuous detonation waves that rotate inside a modified gas turbine combustion chamber. This allows the engines to be able to avoid pressure losses and the subsequent decreases in efficiency that occur with conventional gas turbine engines. The rotating detonation process enables more of a fuel’s energy to be captured and utilized, resulting in higher power output, less fuel consumption, a smaller industrial footprint and reduced environmental impact. 
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The U.S. Department of Energy’s (DOE) Office of Fossil Energy (FE) has announced $6.4 million in federal funding for cost-shared research and development projects under the funding opportunity announcement (FOA) FE-FOA 0002397, University Turbines Systems Research (UTSR) — Focus on Hydrogen Fuels. The UTSR Program conducts cutting-edge research to increase the efficiency and performance of gas turbines while lowering emissions. There is renewed interest in the use of hydrogen, a clean-burning fuel, for turbine-based electricity generation. Hydrogen production from fossil fuels, coupled with carbon capture, utilization, and storage, can generate low-cost hydrogen with net-negative carbon emissions. Waste plastics could be added to the fuel mix to produce large quantities of hydrogen and to mitigate the impact of plastics in the environment.
Image courtesy of Gas Technology Institute
Photo Caption: Image courtesy of Gas Technology Institute. The new STEP facility, supported by NETL, will house a desk-sized sCO2 turbine that could power 10,000 homes. Key recommendations to guide the operation of a first-of-its-kind testing facility to develop next-generation power plants have been issued by NETL researchers. If successful, testing at this facility will provide a pathway to lower the cost of electricity, shrink the environmental and physical footprint of power generation systems and conserve water.
Combustion Laboratory
Researchers in NETL’s Fundamental Combustion Laboratory (FCL) have developed advanced diagnostic techniques that are providing accurate, real-world data to validate models of next-generation fossil fuel and combustible renewable (i.e., hydrogen) technologies like direct power extraction (DPE) systems and rotating detonation engines (RDE). As the models become more refined, these technologies can be efficiently designed and deployed to realize significant performance benefits, which will help to reduce greenhouse gas emissions and provide more affordable and reliable energy for the nation. “The diagnostic techniques we’ve developed are unique in that they are very application-specific,” Clint Bedick, Ph.D., who works in the FCL, said. “Whether it’s finding ways of measuring the intense heat and electrical conductivity of an oxy-combustion flame or recording an RDE shock wave that lasts only milliseconds, we tailor our approach for the specific environments in which we’ll be measuring.”
Airfoils
NETL researchers envision a future in which hospitals, universities and other institutions will use on-site combined heat and power (CHP) systems to produce their own electricity, as well as the energy to heat and cool their buildings, while burning less fuel and releasing fewer emissions into the atmosphere. To make that happen, NETL’s Thermal Sciences Team is designing advanced airfoils for natural gas turbines to enable CHP systems to operate with greater efficiency. “Higher efficiency increases power output using the same quantity of fuel, which translates into lower costs to run a CHP system and reduced carbon dioxide emissions,” said Doug Straub, Ph.D., who works at the Lab’s campus in Morgantown, West Virginia. The goal of the Advanced Turbine Airfoils for Efficient Combined Heat and Power Systems project is to evaluate how new airfoil cooling designs, new materials and additive manufacturing technologies can raise the efficiency of turbines used in CHP systems.
A Rotating Detonation Engine operating at the Air Force Research Laboratory.
NETL’s water-cooled Rotating Detonation Engine installed in the Lab’s High Pressure Combustion Test Facility in Morgantown, W.Va. By partnering with a host of federal agencies including NASA, NETL’s rotating detonation engine (RDE) technology development can proceed with greater effectiveness and efficiency, potentially speeding up real-world applications of the engines.